Home / 3,134.45-4,702.31-943.09

Finding the Fourth Proportional to 3,134.45, 4,702.31 and 943.09

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Solution

The fourth proportional to 3,134.45, 4,702.31 and 943.09 is: 1,414.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,134.45 : 4,702.31 = 943.09 : x
  2. Step 2: Convert to fraction form
    3,134.45/4,702.31 = 943.09/x
  3. Step 3: Cross multiply
    3,134.45x = 4,702.31 × 943.09
  4. Step 4: Simplify right side
    3,134.45x = 4,434,701.54
  5. Step 5: Solve for x
    x = 4,434,701.54/3,134.45
  6. Step 6: Final answer
    x = 1,414.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.